Package org.jfree.data.xy

Examples of org.jfree.data.xy.DefaultXYDataset

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    /**
     * Serialize an instance, restore it, and check for equality.
     */
    public void testSerialization() {
        DefaultXYDataset d1 = new DefaultXYDataset();
        double[] x1 = new double[] {1.0, 2.0, 3.0};
        double[] y1 = new double[] {4.0, 5.0, 6.0};
        double[][] data1 = new double[][] {x1, y1};
        d1.addSeries("S1", data1);
        XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
        XYBarDataset bd2 = null;
        try {
            ByteArrayOutputStream buffer = new ByteArrayOutputStream();
            ObjectOutput out = new ObjectOutputStream(buffer);
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    /**
     * Some checks for the findLiveItemsUpperBound() method when the dataset is
     * ASCENDING.
     */
    public void testFindLiveItemsUpperBound_Ascending() {
        DefaultXYDataset d = new DefaultXYDataset() {
            public DomainOrder getDomainOrder() {
                // we're doing this for testing only, and make sure that we
                // only add data in ascending order by x-value
                return DomainOrder.ASCENDING;
            }
        };
        // check a series with no items
        d.addSeries("S1", new double[][] {{}, {}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 0, 10.0,
                11.1));

        // check a series with one item
        d.addSeries("S2", new double[][] {{1.0}, {9.9}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 0.0,
                1.1));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 2.0,
                2.2));

        // check a series with two items
        d.addSeries("S3", new double[][] {{1.0, 2.0}, {9.9, 9.9}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 2, 0.0,
                1.0));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 1.0,
                2.2));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 2.0,
                3.3));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 3.0,
                4.4));

        // check a series with three items
        d.addSeries("S4", new double[][] {{1.0, 2.0, 3.0}, {9.9, 9.9, 9.9}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 3, 0.0,
                1.1));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 3, 1.0,
                2.2));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 2.0,
                3.3));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 3.0,
                4.4));

        // check a series with four items
        d.addSeries("S5", new double[][] {{1.0, 2.0, 3.0, 4.0}, {9.9, 9.9,
                9.9, 9.9}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.0,
                1.1));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 4, 1.0,
                2.2));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 4, 2.0,
                3.3));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 3.0,
                4.4));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 4.0,
                5.5));

        // check a series with repeating items
        d.addSeries("S5", new double[][] {{1.0, 2.0, 2.0, 2.0, 3.0}, {9.9, 9.9,
                9.9, 9.9, 9.9}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.0,
                1.0));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.0,
                2.0));
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    /**
     * A basic check for the generateURL() method.
     */
    public void testGenerateURL() {
        TimeSeriesURLGenerator g = new TimeSeriesURLGenerator();
        DefaultXYDataset dataset = new DefaultXYDataset();
        dataset.addSeries("Series '1'", new double[][] {{1.0, 2.0},
                {3.0, 4.0}});
        String s = g.generateURL(dataset, 0, 0);
        assertTrue(s.startsWith("index.html?series=Series+%271%27&item="));
    }
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    /**
     * Some checks for the findLiveItemsUpperBound() method when the dataset is
     * DESCENDING.
     */
    public void testFindLiveItemsUpperBound_Descending() {
        DefaultXYDataset d = new DefaultXYDataset() {
            public DomainOrder getDomainOrder() {
                // we're doing this for testing only, and make sure that we
                // only add data in descending order by x-value
                return DomainOrder.DESCENDING;
            }
        };
        // check a series with no items
        d.addSeries("S1", new double[][] {{}, {}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 0, 10.0,
                11.0));

        // check a series with one item
        d.addSeries("S2", new double[][] {{1.0}, {9.9}});
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 0.0,
                1.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 1, 1.1,
                2.0));

        // check a series with two items
        d.addSeries("S3", new double[][] {{2.0, 1.0}, {9.9, 9.9}});
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 0.1,
                0.5));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 2, 0.1,
                1.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 2, 1.1,
                2.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 2, 2.2,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 2, 3.3,
                4.0));

        // check a series with three items
        d.addSeries("S4", new double[][] {{3.0, 2.0, 1.0}, {9.9, 9.9, 9.9}});
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 0.0,
                1.0));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 3, 1.0,
                2.0));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 3, 2.0,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 3, 3.0,
                4.0));

        // check a series with four items
        d.addSeries("S5", new double[][] {{4.0, 3.0, 2.0, 1.0}, {9.9, 9.9,
                9.9, 9.9}});
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.1,
                0.5));
        assertEquals(3, RendererUtilities.findLiveItemsUpperBound(d, 4, 0.1,
                1.0));
        assertEquals(2, RendererUtilities.findLiveItemsUpperBound(d, 4, 1.1,
                2.0));
        assertEquals(1, RendererUtilities.findLiveItemsUpperBound(d, 4, 2.2,
                3.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 4, 3.3,
                4.0));
        assertEquals(0, RendererUtilities.findLiveItemsUpperBound(d, 4, 4.4,
                5.0));

        // check a series with repeating items
        d.addSeries("S6", new double[][] {{3.0, 2.0, 2.0, 2.0, 1.0}, {9.9, 9.9,
                9.9, 9.9, 9.9}});
        assertEquals(4, RendererUtilities.findLiveItemsUpperBound(d, 5, 0.0,
                5.0));
        assertEquals(4, RendererUtilities.findLiveItemsUpperBound(d, 5, 1.0,
                5.0));
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {
        DefaultXYDataset d1 = new DefaultXYDataset();
        double[] x1 = new double[] {1.0, 2.0, 3.0};
        double[] y1 = new double[] {4.0, 5.0, 6.0};
        double[][] data1 = new double[][] {x1, y1};
        d1.addSeries("S1", data1);
        DefaultXYDataset d2 = new DefaultXYDataset();
        double[] x2 = new double[] {1.0, 2.0, 3.0};
        double[] y2 = new double[] {4.0, 5.0, 6.0};
        double[][] data2 = new double[][] {x2, y2};
        d2.addSeries("S1", data2);

        XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
        XYBarDataset bd2 = new XYBarDataset(d2, 5.0);
        assertTrue(bd1.equals(bd2));
        assertTrue(bd2.equals(bd1));
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        DefaultXYDataset d1 = new DefaultXYDataset();
        double[] x1 = new double[] {1.0, 2.0, 3.0};
        double[] y1 = new double[] {4.0, 5.0, 6.0};
        double[][] data1 = new double[][] {x1, y1};
        d1.addSeries("S1", data1);
        XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
        XYBarDataset bd2 = null;
        try {
            bd2 = (XYBarDataset) bd1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(bd1 != bd2);
        assertTrue(bd1.getClass() == bd2.getClass());
        assertTrue(bd1.equals(bd2));

        // check independence
        d1 = (DefaultXYDataset) bd1.getUnderlyingDataset();
        d1.addSeries("S2", new double[][] {{1.0}, {2.0}});
        assertFalse(bd1.equals(bd2));
        DefaultXYDataset d2 = (DefaultXYDataset) bd2.getUnderlyingDataset();
        d2.addSeries("S2", new double[][] {{1.0}, {2.0}});
        assertTrue(bd1.equals(bd2));
    }
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    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        DefaultXYDataset d1 = new DefaultXYDataset();
        double[] x1 = new double[] {1.0, 2.0, 3.0};
        double[] y1 = new double[] {4.0, 5.0, 6.0};
        double[][] data1 = new double[][] {x1, y1};
        d1.addSeries("S1", data1);
        XYBarDataset bd1 = new XYBarDataset(d1, 5.0);
        assertTrue(bd1 instanceof PublicCloneable);
    }
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    /**
     * Confirm that the equals method can distinguish all the required fields.
     */
    public void testEquals() {

        DefaultXYDataset d1 = new DefaultXYDataset();
        DefaultXYDataset d2 = new DefaultXYDataset();
        assertTrue(d1.equals(d2));
        assertTrue(d2.equals(d1));

        double[] x1 = new double[] {1.0, 2.0, 3.0};
        double[] y1 = new double[] {4.0, 5.0, 6.0};
        double[][] data1 = new double[][] {x1, y1};
        double[] x2 = new double[] {1.0, 2.0, 3.0};
        double[] y2 = new double[] {4.0, 5.0, 6.0};
        double[][] data2 = new double[][] {x2, y2};
        d1.addSeries("S1", data1);
        assertFalse(d1.equals(d2));
        d2.addSeries("S1", data2);
        assertTrue(d1.equals(d2));
    }
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    /**
     * Confirm that cloning works.
     */
    public void testCloning() {
        DefaultXYDataset d1 = new DefaultXYDataset();
        DefaultXYDataset d2 = null;
        try {
            d2 = (DefaultXYDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));

        // try a dataset with some content...
        double[] x1 = new double[] {1.0, 2.0, 3.0};
        double[] y1 = new double[] {4.0, 5.0, 6.0};
        double[][] data1 = new double[][] {x1, y1};
        d1.addSeries("S1", data1);
        try {
            d2 = (DefaultXYDataset) d1.clone();
        }
        catch (CloneNotSupportedException e) {
            e.printStackTrace();
        }
        assertTrue(d1 != d2);
        assertTrue(d1.getClass() == d2.getClass());
        assertTrue(d1.equals(d2));

        // check that the clone doesn't share the same underlying arrays.
        x1[1] = 2.2;
        assertFalse(d1.equals(d2));
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    /**
     * Verify that this class implements {@link PublicCloneable}.
     */
    public void testPublicCloneable() {
        DefaultXYDataset d1 = new DefaultXYDataset();
        assertTrue(d1 instanceof PublicCloneable);
    }
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